Various implementations include audio devices and related earpieces. In certain implementations, an earpiece includes an electro-acoustic transducer and an acoustic back volume configured to provide a desirable fit along with desirable acoustic performance. In some particular aspects, an earpiece includes: an electro-acoustic transducer; a housing supporting the electro-acoustic transducer such that the housing and the electro-acoustic transducer together define a first acoustic volume and a second acoustic volume, the electro-acoustic transducer being arranged such that a first radiating surface of the transducer radiates acoustic energy into the first acoustic volume coupled to an outlet and such that a second radiating surface of the transducer radiates acoustic energy into the second acoustic volume, where at least a portion of the second acoustic volume is located between the first radiating surface and the outlet.

In one embodiment, the present invention is directed to a contact hearing system comprising: an ear tip including a transmit coil, wherein the transmit coil is connected to an audio processor, including an H Bridge circuit; a first input to the H Bridge circuit comprising an AND circuit wherein a first input to the AND circuit comprises a carrier signal and a second input to the AND circuit comprises an output of a delta sigma modulation circuit, wherein the delta sigma modulation circuit is a component of the audio processor; and a second input to the H Bridge circuit comprising an NAND circuit wherein a first input to the NAND circuit comprises a carrier signal and a second input to the NAND circuit comprises an output of the delta sigma modulation circuit.

The present disclosure discloses a hearing aid device. The hearing aid device may comprise at least one sound transmitter configured to collect a sound signal and convert the sound signal into an electrical signal, a signal processing circuit configured to generate a control signal by processing the electrical signal, at least one vibration loudspeaker configured to convert the control signal into a vibration signal, and a housing structure configured to accommodate at least one of the at least one sound transmitter, the signal processing circuit, or the at least one vibration loudspeaker, wherein the control signal may include an original signal and an air-conducted sound leakage signal generated from the at least one vibration loudspeaker, and a difference between the air-conducted sound leakage signal received by the at least one sound transmitter and the original signal may not be larger than −33 dB.

There is provided a hearing aid with a Receiver In The Ear speaker assembly comprising a connecting member with electric conductors connecting a connector at one end, and a receiver housing with a receiver at the opposite end. A microphone housing with a microphone is attached to the connecting member. Placed along the connecting member, the microphone housing with the microphone is separated by a distance from the receiver in the receiver housing, thus reducing acoustic or mechanical feedback problems. Especially, the microphone and connector may share one common housing.

An illustrative hearing device may include a battery compartment located in a housing and including a microphone and a battery. The housing may include a casing forming the battery compartment and a lid member having a hinged end pivotally connected to the casing such that the lid member is configured to pivot between an open position and a closed position relative to the casing. The lid member may be formed to define an opening through the lid member that is configured to allow the microphone and the battery to be in air communication with ambient air when the lid member is in the closed position.

There is provided a hearing aid with a Receiver In The Ear speaker assembly comprising an connecting member with electric conductors connecting a connector at one end, and a receiver housing with a receiver at the opposite end. A microphone housing with a microphone is attached to the connecting member. Placed along the connecting member, the microphone housing with the microphone is separated by a distance from the receiver in the receiver housing, thus reducing acoustic or mechanical feedback problems. Especially, the microphone and connector may share one common housing.

An exemplary hearing device configured to facilitate hearing by a user may comprise an in-the-ear (“ITE”) component comprising a shell having a contoured outer surface configured to fit at least partially within an ear canal of the user. The contoured outer surface of the shell may include a first region having a first modulus of elasticity and a second region having a second modulus of elasticity that is different than the first modulus of elasticity. The first region and the second region may be formed of a same material.

An earmold having an earmold shell, the earmold shell having a first end facing a tympanic membrane when the earmold is worn by a user, and a second end facing toward a surrounding of the user when the earmold is worn by the user, includes: a receiver configured to provide an audio output signal; a receiver channel coupled to an output of the receiver and extending to a receiver opening in the first end; and a vent channel coupled to the receiver channel through a first vent port, the vent channel having a vent opening in the second end; wherein the receiver channel comprises a closing element, the closing element comprising a first magnetic member, wherein the closing element is configured to cause the first vent port to be open when in a first state, and to cause the first vent port to be closed when in a second state.

An output transducer is coupled to a support structure, and the support structure configured to contact one or more of the tympanic membrane, an ossicle, the oval window or the round window. An input transducer is configured for placement near an ear canal opening to receive high frequency localization cues. A sound inhibiting structure, such as an acoustic resistor or a screen, may be positioned at a location along the ear canal between the tympanic membrane and the input transducer to inhibit feedback. A channel can be coupled to the sound or feedback inhibiting structure to provide a desired frequency response profile of the sound or feedback inhibiting structure.

The disclosure relates to a hearing device comprising a housing accommodating an acoustic transducer inside an inner volume of the housing, the acoustic transducer having an oscillator element configured to generate sound waves, the housing accommodating the acoustic transducer inside an inner volume of the housing. The hearing device further comprises a sound outlet configured to release sound waves from the inner volume into an ear canal. The hearing device may also comprise a microphone configured to be acoustically coupled to the ear canal, and an active feedback control circuit configured to provide an active feedback control signal to modify the sound waves generated by the acoustic transducer.